[INFO] fetching crate melius 0.7.0...
[INFO] testing melius-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate melius 0.7.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate melius 0.7.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melius 0.7.0
[INFO] finished tweaking crates.io crate melius 0.7.0
[INFO] tweaked toml for crates.io crate melius 0.7.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b58657428f164e9f9a8a2cbe9e9a6eb4f41aa1173cf7f5794449d45be5bd8891
[INFO] running `Command { std: "docker" "start" "-a" "b58657428f164e9f9a8a2cbe9e9a6eb4f41aa1173cf7f5794449d45be5bd8891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b58657428f164e9f9a8a2cbe9e9a6eb4f41aa1173cf7f5794449d45be5bd8891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58657428f164e9f9a8a2cbe9e9a6eb4f41aa1173cf7f5794449d45be5bd8891", kill_on_drop: false }`
[INFO] [stdout] b58657428f164e9f9a8a2cbe9e9a6eb4f41aa1173cf7f5794449d45be5bd8891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1d42d4d0841353789bb51333dc56404624c8dd6c60ea4b68010db1a3283725
[INFO] running `Command { std: "docker" "start" "-a" "ab1d42d4d0841353789bb51333dc56404624c8dd6c60ea4b68010db1a3283725", kill_on_drop: false }`
[INFO] [stderr]    Compiling melius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ab1d42d4d0841353789bb51333dc56404624c8dd6c60ea4b68010db1a3283725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1d42d4d0841353789bb51333dc56404624c8dd6c60ea4b68010db1a3283725", kill_on_drop: false }`
[INFO] [stdout] ab1d42d4d0841353789bb51333dc56404624c8dd6c60ea4b68010db1a3283725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93087ba43738ba46aaa30a91ecd959d9bd1ae33e41c8c2a346be790dd0c9616d
[INFO] running `Command { std: "docker" "start" "-a" "93087ba43738ba46aaa30a91ecd959d9bd1ae33e41c8c2a346be790dd0c9616d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling melius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "93087ba43738ba46aaa30a91ecd959d9bd1ae33e41c8c2a346be790dd0c9616d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93087ba43738ba46aaa30a91ecd959d9bd1ae33e41c8c2a346be790dd0c9616d", kill_on_drop: false }`
[INFO] [stdout] 93087ba43738ba46aaa30a91ecd959d9bd1ae33e41c8c2a346be790dd0c9616d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7eff253aad94f125611d2a9542de858107338c292a7fb5e4e8a54ab1b7463dce
[INFO] running `Command { std: "docker" "start" "-a" "7eff253aad94f125611d2a9542de858107338c292a7fb5e4e8a54ab1b7463dce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/melius-05ccae1d2c820704)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests melius
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7eff253aad94f125611d2a9542de858107338c292a7fb5e4e8a54ab1b7463dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eff253aad94f125611d2a9542de858107338c292a7fb5e4e8a54ab1b7463dce", kill_on_drop: false }`
[INFO] [stdout] 7eff253aad94f125611d2a9542de858107338c292a7fb5e4e8a54ab1b7463dce